I think you are confusing between unaccounted income vs. unaccounted income in cash. The amount of unaccounted income (or black money) in cash is 6%. Just like

I think you are confusing between unaccounted income vs. unaccounted income in cash. The amount of unaccounted income (or black money) in cash is 6%. Just like accounted income, owners do not prefer their unaccounted income to be in cash - they use real estate, gold etc. to park them. This 6% figure is from the Ministry of Finance white paper on black money.